Arkady Zaslavsky Mobility Group School of Computer Science & Software Engineering InfoTech, Monash University [email protected]http://www.ct.monash.edu.au/~azaslavs/ Outline: Outline: • Mobile computing overview Mobile computing overview • Building research group Building research group • DSSE DSSE • DSTC & M3 DSTC & M3 Mobile & Pervasive Mobile & Pervasive Computing @ Monash Computing @ Monash University University
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Arkady Zaslavsky Mobility Group School of Computer Science & Software Engineering InfoTech, Monash University [email protected] azaslavs/Outline:
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Outline:Outline: • Mobile computing overviewMobile computing overview• Building research groupBuilding research group• DSSEDSSE• DSTC & M3DSTC & M3
Mobile & Pervasive Mobile & Pervasive Computing @ Monash Computing @ Monash
UniversityUniversity
What is a Distributed Mobile What is a Distributed Mobile Computing SystemComputing System
Mobile computing is associated Mobile computing is associated with mobility of users, hardware, with mobility of users, hardware, data and software in computer data and software in computer applications. applications.
Specialized class of distributed Specialized class of distributed computing systems where some computing systems where some nodes can move in physical and/or nodes can move in physical and/or logical space, ad hoc connecting/ logical space, ad hoc connecting/ disconnecting while remaining part disconnecting while remaining part of a distributed system and of a distributed system and perhaps participating in global perhaps participating in global computational activitiescomputational activities
Mobile Computing EnvironmentMobile Computing Environment
Mbps to GbpsMobile GSM connection
9.6 kbps
Home Base Node Nj
. . .
Zone of Influence
Wireless LAN
Mbps
Home Base Node Ni
. . .
Zone of Influence
19.2-115 kbps
Cellular Data
Who needs Mobile Who needs Mobile Computing?Computing?
Mobile Computing: Mobile Computing: Problems and AssumptionsProblems and Assumptions
Location is dynamically changing information
Cost of communication is asymmetric
Severe power restrictions on mobile hosts
Limited storage available on mobile hosts
Frequent and foreseeable disconnections
Security issues due to mobility of hosts
Building research group...Building research group...
More than 25 students (PhD, Masters (R), Masters (C/W), Honours) in 6 years
3-5 academics 70+ publications 1,300K+ grant money & in-kind
support Mobile computing laboratory
Building research group… Building research group… moremore
M. Faiz “Database Replication Strategy in Mobile Computing Environment” (Research Masters, completed 1995)
Potential Research Issues & Potential Research Issues & ProjectsProjects
Connection/Disconnection Management for Mobile Workstations
Database Recovery in Mobile Environments Service Scheduling for Mobile Hosts Access Transparency in Mobile Databases Process and/or Data Migration in Mobile
Computing Tracking Mobile Workstations Database Design for Mobile Information
Systems Security Issues in Wireless Information
Systems Control Protocols for Mobile Workstations Address Resolution in Mobile Environments Tools & Means for Simulating Mobile
Environments Virtual cell optimisation and handling Social & technological implications of